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charset=UTF-8 Date: Mon, 25 May 2026 23:48:48 +0900 Message-Id: From: "Alexandre Courbot" To: "Danilo Krummrich" Cc: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , "Eliot Courtney" Subject: Re: [PATCH v4 23/27] samples: rust: rust_driver_auxiliary: showcase lifetime-bound registration data References: <20260521233501.1191842-1-dakr@kernel.org> <20260521233501.1191842-24-dakr@kernel.org> In-Reply-To: <20260521233501.1191842-24-dakr@kernel.org> X-ClientProxiedBy: TYCP286CA0211.JPNP286.PROD.OUTLOOK.COM (2603:1096:400:3c5::14) To CH2PR12MB3990.namprd12.prod.outlook.com (2603:10b6:610:28::18) Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH2PR12MB3990:EE_|DM4PR12MB6133:EE_ X-MS-Office365-Filtering-Correlation-Id: f90172d8-f19c-4079-447a-08deba6cbca4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|366016|1800799024|10070799003|4143699003|11063799006|18002099003|22082099003|56012099003; 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This demonstrates that registration data can > hold device resources tied to the parent driver's lifetime. > > In connect(), retrieve the parent PCI device from the registration data > rather than casting through adev.parent(). > > Reviewed-by: Eliot Courtney > Reviewed-by: Gary Guo > Signed-off-by: Danilo Krummrich Reviewed-by: Alexandre Courbot